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Question: Answered & Verified by Expert
In Mirabilis jalapa, the homozygous white (rr) and red (RR) flower colour produces pink (Rr) flower colour. When a pink flower is crossed with red flower, the ratio will be
BiologyPrinciples of Inheritance and VariationNEET
Options:
  • A 25% white : 50% pink : 25% red
  • B 50% pink : 50% red
  • C 50% pink : 50% white 
  • D 50% red : 50% white
Solution:
2634 Upvotes Verified Answer
The correct answer is: 50% pink : 50% red

A good example of incomplete dominance is that of the flower colour in snapdragon (dog flower or Antirrhinum majus) and Mirabilis jalapa (4’o clock plant).

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